DYNAMICS OF SMALL FOUR-WHEEL DRIVE VEHICLES: A SURVEY OF THE LITERATURE

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Authors
  1. Anderson, R.J.
  2. Hanna, D.
Corporate Authors
Defence Research Establishment Suffield, Ralston ALTA (CAN);Queen's Univ, Kingston ONT (CAN) Dept of Mechanical Engineering
Abstract
This report contains a survey of literature concerned with the dynamic performance of small, two-axle, four-wheel drive vehicles. In essence, these are the class of vehicles known as "jeeps" to most people. The civilian and military experience with these vehicles is first addressed through statistics related to single vehicle accidents, primarily involving vehicle rollover. It is shown that the popular impression that such vehicles are unsafe is, in the large, true. It is also shown that there is a significant variation in the number of accidents occurring for similar vehicles made by different manufacturers, leading to the conclusion that suspension design does make a difference. A survey of current techniques for simulating the dynamic performance of vehicles under both on- and off-road conditions is included. A comparison of the utility of both special purpose and general dynamic simulations is made. The availability of data necessary for simulating and validating simulations of small, four-wheel drive vehicles is discussed. Finally, the report includes a look at active suspensions and four-wheel steering as advanced design concepts which may apply to these vehicles.
Keywords
4WD vehicles;Four Wheel Drive Vehicles
Report Number
DRES-CR-98-14 — Contractor Report
Date of publication
01 Oct 1987
Number of Pages
44
DSTKIM No
98-01886
CANDIS No
508615
Format(s):
Hardcopy;Document Image stored on Optical Disk

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